Bosutinib For Autosomal Dominant Polycystic Kidney Disease

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
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Key information relevant to the recruitment process for the
overall study, such as dates of the recruitment period and locations

No text entered.

Pre-Assignment Details

Significant events and approaches for the overall study
following participant enrollment, but prior to group assignment

172 participants were enrolled in this study, of which 169 received at least 1 dose of study treatment.

Reporting Groups

Description

Bosutinib 200 mg/Day

Participants received bosutinib 200 mg tablet orally once daily (QD) in the morning with food for 24 months in the Initial Treatment Period (ITP). After a 30-day washout period, participants who entered the Extended Treatment Period (ETP) continued to receive bosutinib 200 mg orally QD for up to 46 months.

Bosutinib 400 mg/Day

Participants received bosutinib 400 mg tablet orally QD in the morning with food for 24 months in the ITP. All participants were dose-reduced during the ITP based on a protocol amendment. Those who remained active in the study at the time of the amendment are represented in the bosutinib 400/200 mg/day group.

Bosutinib 400/200 mg/Day

Participants received bosutinib 400 mg and were dose-reduced to 200 mg tablet (based on protocol amendment) orally QD in the morning with food for 24 months in the ITP. After a 30-day washout period, participants who entered the ETP continued to receive bosutinib 200 mg orally QD for up to 46 months.

Placebo

Participants received placebo tablet orally QD in the morning with food for 24 months in the ITP. After a 30-day washout period, participants who entered the ETP continued to receive placebo matched bosutinib QD for up to 46 months.

Explanation of how the number of participants for analysis was determined.
Includes whether analysis was per protocol, intention to treat, or another method.
Also provides relevant details such as imputation technique, as appropriate.

The safety population included all participants who received at least 1 dose of study medication.

Reporting Groups

Description

Bosutinib 200 mg/Day

Participants received bosutinib 200 mg tablet orally once daily (QD) in the morning with food for 24 months in the Initial Treatment Period (ITP). After a 30-day washout period, participants who entered the Extended Treatment Period (ETP) continued to receive bosutinib 200 mg orally QD for up to 46 months.

Bosutinib 400 mg/Day

Participants received bosutinib 400 mg tablet orally QD in the morning with food for 24 months in the ITP. All participants were dose-reduced during the ITP based on a protocol amendment. Those who remained active in the study at the time of the amendment are represented in the bosutinib 400/200 mg/day group.

Bosutinib 400/200 mg/Day

Participants received bosutinib 400 mg and were dose-reduced to 200 mg tablet (based on protocol amendment) orally QD in the morning with food for 24 months in the ITP. After a 30-day washout period, participants who entered the ETP continued to receive bosutinib 200 mg orally QD for up to 46 months.

Placebo

Participants received placebo tablet orally QD in the morning with food for 24 months in the ITP. After a 30-day washout period, participants who entered the ETP continued to receive placebo matched bosutinib QD for up to 46 months.

Area Under the Concentration-Time Profile From Time 0 to the Dosing Interval (AUCtau) of Bosutinib [ Time Frame: Day 1 (pre-dose and 1, 3, 5 and 24 hours post-dose), Day 15 (pre-dose and 1, 2, 3, 4, 6, 8 and 24 hours post-dose) ]

Principal Investigators are NOT employed by the organization sponsoring the study.

There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts
the PI's rights to discuss or publish trial results after the trial is completed.

The agreement is:

The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release
and can embargo communications regarding trial results for a period that is less than or equal to 60 days.
The sponsor cannot require changes to the communication and cannot extend the embargo.

The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release
and can embargo communications regarding trial results for a period that is more than 60 days but less than
or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.

Other disclosure agreement that restricts the right of the PI to discuss or publish trial results after the trial is completed.

Restriction Description:
Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.